Exchangeable india-rubber heel



G. MILSE.

ExcHANGEABLE INDIA RUBBER HEEL.

y APPLICATION FILED APR. I9. 192|. 1,438,775.

Patented Deo. 12, 1922.

ljetented lili-ic. l2, i922..

ini' erts GUSTAV MILSE, OF BREMEN, GERMANY, ASSIGNOB T EMIL ZIMMERMANN, OF

NEW YORK, N. Y. i

EXCHANGEABLE NDIA-RUBBER HEEL.

Application led April 19, 1921. Serial No. 462,778.

of a shoe showing my improvement ap' plied.

Figure 2 is an under plan oit the latter.

Figure 3 is an elevation of the fastening device.

Figure 4 is an enlarged sectiony through the vulcanized lift. y

Like letters of reterence indicate like parts throughout the several views.

Referring to the drawings:

7; designates a heel to which the heel lift is attachab-le.

c is the heel litt el india-rubber within which is a plate C of metal formed with the holes .72, around which are the struckup burrs eee Figure 4;, and the whole Figure l is a vertical section of the heel` vulcanized in the rubber plate as seen in `'.ilig'ujre l; rlhe burrs i curl over at their ec ges)` as seen in Figure il, so as to provide a secure hold in the rubber and prevent. their being pulled out.

are hollow longitudinally slitted members conical `in form adapted to be driven into the heel l) and into which are adapted 40 'to be forced the metallic conical fastening `members d, asseen in Figure-s land 3. rlhe driving in ci the'members Z will spread the sections et' the members f and cause a iirni locking of the parts. The members (Z are -formed"with collars g which prevent them from being pulled out of the lift a in which they are embedded,

AlWhat is claimed as new is A li't9 metallic conicalheaded astening 50y 

